Ballpoint pen



FIG. 1 is a front view of a ballpoint pen showing my new design;

FIG. 2 is a rear view thereof;

FIG. 3 is a left side view thereof, the right side view being symmetrical to the left side view;

FIG. 4 is a cross sectional view taken along line 4--4 in FIG. 1;

FIG. 5 is a top plan view of the ballpoint pen;

FIG. 6 is a bottom plan view the ballpoint pen; and

FIG. 7 is a front view of the main body of the ballpoint pen with the cap member omitted for convenience of illustration;

FIG. 8 is a top plan view of the main body;

FIG. 9 is a bottom plan view of the main body;

FIG. 10 is a front view of the cap of the ballpoint pen shown separately for convenience of illustration;

FIG. 11 is a rear view of the cap;

FIG. 12 is a left side view of the cap; the right side view being symmetrical to the left side view;

FIG. 13 is a top plan view thereof;

FIG. 14 is a bottom plan view thereof; and,

FIG. 15 is a left front perspective view of the ballpoint pen shown in an exploded condition. 

The ornamental design for a ballpoint pen, as shown and described. 